Files with ia6 file extension can be found as part of IApproach software platform from Tdata.
IA6 file extension - IApproach work data
What is ia6 file? How to open ia6 files?
File type specification:
The ia6 file extension is mainly related to IApproach, a complete IA Library with source for ADs, Service Bulletins and other regulatory information for small aircraft, helicopters and corporate jets.
The ia6 file contains data used by the program.
This ia6 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.